Code:
#include stdio.h
void main()
{
int fig_code;
float side, base, length, breadth, height, area, radius;
printf("-------------------------\n");
printf(" 1 --> Circle\n");
printf(" 2 --> Rectangle\n");
printf(" 3 --> Triangle\n");
printf(" 4 --> Square\n");
printf("-------------------------\n");
printf("Enter the Figure code\n");
scanf("%d", &fig_code);
switch(fig_code)
{
case 1:
printf("Enter the radius\n");
scanf("%f", &radius);
area = 3.142 * radius * radius;
printf("Area of a circle = %f\n", area);
break;
case 2:
printf("Enter the breadth and length\n");
scanf("%f %f", &breadth, &length);
area = breadth * length;
printf("Area of a Reactangle = %f\n", area);
break;
case 3:
printf("Enter the base and height\n");
scanf("%f %f", &base, &height);
area = 0.5 * base * height;
printf("Area of a Triangle = %f\n", area);
break;
case 4:
printf("Enter the side\n");
scanf("%f", &side);
area = side * side;
printf("Area of a Square=%f\n", area);
break;
default:
printf("Error in figure code\n");
break;
}
}
Output:
-------------------------
1 --> Circle
2 --> Rectangle
3 --> Triangle
4 --> Square
-------------------------
Enter the Figure code
1
Enter the radius
30
Area of a circle = 2827.800049
$ a.out
-------------------------
1 --> Circle
2 --> Rectangle
3 --> Triangle
4 --> Square
-------------------------
Enter the Figure code
2
Enter the breadth and length
20 30
Area of a Reactangle = 600.000000
$ a.out
-------------------------
1 --> Circle
2 --> Rectangle
3 --> Triangle
4 --> Square
-------------------------
Enter the Figure code
3
Enter the base and height
45 80
Area of a Triangle = 1800.000000
$ a.out
-------------------------
1 --> Circle
2 --> Rectangle
3 --> Triangle
4 --> Square
-------------------------
Enter the Figure code
4
Enter the side
100
Area of a Square=10000.000000
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